Aim for Koshien!
The Kisaragi girls must beat Rinkai High, one of the best teams in the country, to be allowed in the league.
Aired 24/06/1998EP 11 - Aim for Koshien!

1998
Princess Nine
Keiko Himuro, Chairman of the Kisuragi School, puts together an all-girl baseball team led by Ryo Hayakawa, daughter of a legendary pitcher, in hopes of proving that girls can compete just as well as boys. Their goal: Koshien Stadium, where only the best teams get the opportunity to play.
(Source: Anime News Network)